hi
my new 4" exhaust is causing a problem besides the perfect fit to the truck and nice power increase i am now using more fuel than ever cause i cant keep my foot out of the throttle !

M K O $300.00 to my door off e bay

 

this looks like it will get delete really fast !

 

I was the same way when I put on my 4" exhaust, after a while the mpg got better, then I put the new intake and there went the mpg.